Tax Preparation Assistance

It's time. You have until midnight on Tuesday, April 18, to file your 2016 income tax returns.

The post office at 433 W. Harrison (just west of downtown in Chicago) will be open until midnight on Tuesday for last-minute income tax filers. In addition, drivers can hand their returns to staff outside the post office until midnight. (See map below.) 

United States Postal Service

Taxpayers who are unable to get their income taxes in by the deadline may want to file extension forms. On the federal side, this would be form 4868.  Its State of Illinois counterpart is:  IL-505-I.

There are no more appointments for free income tax preparation at the Des Plaines Public Library by AARP volunteers. (See below for other locations in the Chicago metropolitan area to contact regarding free or reduced-cost income tax preparation.) Also, see other AARP tax preparation sites


Center for Economic Progress - Chicago

The Center for Economic Progress (CEP) provides free assistance in preparing 2016 income tax returns to families with an annual income of less than $55,000, and individuals whose annual income is less than $30,000. To find a location, go to the center's web site.  Or, see the attached flyer.  Most CEP locations are open through April 18. No appointment is needed. Returns are prepared on a first-come, first-served basis. Please allow at least two hours for tax preparation. (CEP is considered a low-income taxpayer clinic.)

After the April 18 filing deadline, CEP offers tax help year-round through their Money Action Days, at CEP's main office--567 W. Lake St., Chicago.  312-252-0280.

LOW-INCOME TAXPAYER CLINICS  2017 appointments are available to prepare and file income tax returns online with help from a certified tax coach. If your household income (individual or a couple) was $64,000 or less in 2016, filing is free. 

AARP Site locator:  888-227-7669

Loyola University Chicago School of Law, Chicago:  312-915-7176

Administer Justice, Elgin, IL:  847-844-1100




The Internal Revenue Service (IRS) offers the following toll-free number to individuals with income tax-related questions: 1-800-829-1040 (Monday-Friday) and the following toll-free number to businesses: 1-800-829-4933 (Monday-Friday).

The State of Illinois offers the following numbers to individuals with income tax-related questions: 1-800-732-8866 (toll-free) or 217-782-3336 (Monday-Friday).

Closest government offices

Illinois Department of Revenue

Maine North Regional Building
9511 Harrison Ave.
Des Plaines, IL  60016
Phone: 847-294-4200
Hours: 8:30 a.m.-5 p.m., Monday-Friday

2016 state income tax forms now are available at the Illinois Department of Revenue website. You can pick up Illinois forms (for individuals and businesses) free of charge at the office on Harrison.


The IRS has 13 operating Taxpayer Assistance Centers (TACs) in Illinois. The closest one to Des Plaines is at 5100 River Road in Schiller Park.

In-person meetings now are by appointment only!  Call:  844-545-5640

Phone: 847-737-6688
Hours: 8:30 a.m.-4:30 p.m., Monday-Friday

This IRS location is about five miles south of downtown Des Plaines, in a multi-level office building on the west side of River Road, a major street. (Once you get to Rosemont, you are very close.) There is free parking in a lot immediately west of the building, or in a nearby garage just west of that. View the services offered at this IRS office.

The following forms should be available at the Schiller Park office:

  • 1040 and instructions
  • Schedule A
  • Schedule B
  • Schedule C and instructions
  • Schedule C-EZ
  • Schedule D and instructions
  • Schedule EIC
  • Schedule SE and instructions
  • 1040-ES
  • 1040X and instructions
  • 4868
  • 8962 and instructions
  • 8965 and instructions


To order federal forms and publications, go to the IRS website. 



Updated 4-17-17